{
  "manageEntity": {
    "action": "Update",
    "entityId": "826720218",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdfdd39e24a64d27571462858a84eb423f19fa5b53785b84505a08cf607d8c3ba",
    "signature": "0xe0de9701025b827b4310eb2ee382076056bada05bcda88c6866d43325939b6e07adce43491a405fbb6ccd94463612a8e50f4ff554768f7fa83f885e1cba1d5c71c",
    "signer": "0xf6Cb07E8dbc28ec1D27C150a459720E49A10002b",
    "userId": "826720218"
  }
}